APA
Tully R. Cornick, Roger A. Kirkby, . (1981). Interactions of crops and livestock production in the generation of technology in sloped areas. New York: New York State College of Argrioculture and life Science.
Chicago
Tully R. Cornick, Roger A. Kirkby, . 1981. Interactions of crops and livestock production in the generation of technology in sloped areas. New York: New York State College of Argrioculture and life Science.
Harvard
Tully R. Cornick, Roger A. Kirkby, . (1981). Interactions of crops and livestock production in the generation of technology in sloped areas. New York: New York State College of Argrioculture and life Science.
MLA
Tully R. Cornick, Roger A. Kirkby, . Interactions of crops and livestock production in the generation of technology in sloped areas. New York: New York State College of Argrioculture and life Science. 1981.